Aug 01 15:38:25.406 INFO checking niklasad1/nrf52dk-rs against 1.27.2 for lazy_static-1
Aug 01 15:38:25.406 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 15:38:25.406 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 15:38:25.406 INFO running `"docker" "create" "-v" "/tmp/crater.TAGFxZnzjVvB:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-6/1.27.2:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 01 15:38:25.639 INFO blam! 05b9456e01f4798f9938d9f36d6891607edf66daf6bde11d408d780b1c695ef8
Aug 01 15:38:25.641 INFO running `"docker" "start" "-a" "05b9456e01f4798f9938d9f36d6891607edf66daf6bde11d408d780b1c695ef8"`
Aug 01 15:38:26.600 INFO kablam!    Compiling cc v1.0.18
Aug 01 15:38:26.609 INFO kablam!     Checking vcell v0.1.0
Aug 01 15:38:26.611 INFO kablam!     Checking bare-metal v0.2.0
Aug 01 15:38:26.613 INFO kablam!     Checking aligned v0.2.0
Aug 01 15:38:26.615 INFO kablam!     Checking tock-registers v0.1.0
Aug 01 15:38:27.940 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 15:38:27.940 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/tock-registers-0.1.0/src/lib.rs:5:1
Aug 01 15:38:27.941 INFO kablam!   |
Aug 01 15:38:27.941 INFO kablam! 5 | #![feature(const_fn)]
Aug 01 15:38:27.941 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Aug 01 15:38:27.952 INFO kablam! 
Aug 01 15:38:27.955 INFO kablam! error: aborting due to previous error
Aug 01 15:38:27.955 INFO kablam! 
Aug 01 15:38:27.955 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 15:38:27.988 INFO kablam! error: Could not compile `tock-registers`.
Aug 01 15:38:27.988 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 15:38:37.554 INFO kablam! error: build failed
Aug 01 15:38:37.555 INFO kablam! su: No module specific data is present
Aug 01 15:38:38.310 INFO running `"docker" "rm" "-f" "05b9456e01f4798f9938d9f36d6891607edf66daf6bde11d408d780b1c695ef8"`
Aug 01 15:38:38.494 INFO blam! 05b9456e01f4798f9938d9f36d6891607edf66daf6bde11d408d780b1c695ef8